[PATCH] Fail if dwz fails.

[Martin Liška]

PING^1

On 4/22/21 1:11 PM, Martin Liška wrote:
> Right now, dwz return code is 0 or a small integer value (<= 3)
> for situations like:
> 
> - dwz: Too few files for multifile optimization
> - dwz: Multi-file optimization not allowed for different pointer sizes or endianity
> 
> These are not fatal errors and the script should continue. On the other
> hand abort or segfault error values should cause failure of the script.
> 
> Let's reserve values 1-16 for a recoverable dwz exit codes.
> ---
>   scripts/find-debuginfo.sh | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/scripts/find-debuginfo.sh b/scripts/find-debuginfo.sh
> index 3d736e0..7fb9b62 100755
> --- a/scripts/find-debuginfo.sh
> +++ b/scripts/find-debuginfo.sh
> @@ -556,6 +556,10 @@ if $run_dwz \
>         && dwz_opts="${dwz_opts} -L ${dwz_max_die_limit}"
>       if type dwz >/dev/null 2>&1; then
>         ( cd "${RPM_BUILD_ROOT}/usr/lib/debug" && dwz $dwz_opts ${dwz_files[@]} )
> +      if [ $? -gt 16 ]; then
> +        echo >&2 "*** ERROR: DWARF compression failed"
> +        exit 3
> +      fi
>       else
>         echo >&2 "*** ERROR: DWARF compression requested, but no dwz installed"
>         exit 2
>